Cirsium rhiphaeum var. tetauense FontQuer Dataset GBIF Backbone Taxonomy Rank VARIETY Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Asterales family Asteraceae genus Ptilostemon species Ptilostemon rhiphaeus Name Homonyms Cirsium rhiphaeum var. tetauense Font Quer, 1930 Cirsium rhiphaeum var. tetauense FontQuer